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4 Pcs M8 Square U Bolts 2-1/2 Inch Wide, 5/16" x 2-1/2"W x 4" L
✅ In stock
⭐ Lowest price we've tracked
D
Grade
Analysis Confidence
55%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 21, 2026 6:41 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
😐 Weak Deal- 😐Verdict: Weak Deal. Marginal discount. Prices may drop further soon.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️The listed retail price is trimmed by 5% at checkout.
- 📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
2.64/28
Recent Value
2.4/22
Market Standing
8.57/20
Deal Strength
20/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
ZYUAROM
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Size：M8 Square U-Bolt with inner dimensions of 2-1/2"W x 4"L and thread length of 2". Please confirm the required size before ordering to avoid delays due to mismatched specifications
✓What's Included：4 x U Bolts 2-1/2 Inch Wide, 4 x frame plates, 8 x flat washers, 8 x lock washer and 8 x nuts, 1 x wrench. All accessories are complete, no extra purchases needed, and ready for installation right out of the box
✓Materials：U-Bolts Made of 304 stainless steel, strong, have great performance in rust resistance, moisture resistance, and corrosion resistance
✓Wide Applications：Suitable for securing pipes, wood and steel. Compatible with RV bumpers, boats, outdoor brackets, industrial equipment and more
✓Installation Tips：Reserve installation allowance for nuts and washers when measuring the required length. It is recommended to tighten manually with the included special wrench; avoid using impact wrenches or electric wrenches to prevent bolt wear, seizing or breakage, ensuring firm installation.
⚙️ Specifications
Material
Stainless Steel
Thread Size
M8
Exterior Finish
Stainless Steel
Manufacturer Grade
heavy-duty
Head Style
Hex
Screw Head Style
Hex
Fastener Type
U-Bolt
Thread Type
Metric Coarse (Unc)
Thread Style
Right Hand
Item Hardness
Grade 8.8
Head Type
Hex
